Bump @testing-library/jest-dom from 6.6.4 to 6.8.0 (#490)

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.6.4 to 6.8.0.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v6.6.4...v6.8.0)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-version: 6.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

package-lock.json

@@ -7,7 +7,7 @@
         "@emotion/react": "^11.14.0",
         "@emotion/styled": "^11.14.1",
         "@mui/material": "^7.3.1",
-        "@testing-library/jest-dom": "^6.6.4",
+        "@testing-library/jest-dom": "^6.8.0",
         "@testing-library/react": "^16.3.0",
         "@testing-library/user-event": "^14.6.1",
         "axios": "^1.11.0",